In 1978, I used my first wood-cutting knife in Hangzhou, China. In 2002, my last etching plate was accidentally discarded after two trial impressions in Portland, Oregon.

1978年在中国杭州第一次拿到木刻刀，2002年在美国波特兰丢了仅仅打了样的最后一块铜版，做了二十五年版画。

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Etching machine in normal operation, the first I put a feeding trial with engraved stainless steel plate, it will slow conveyor belt into the machine.

蚀刻机运转正常后，先在入料口放一块试刻用的不锈钢板，传送带会把它缓慢的送入机器内部。

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Meanwhile, the difference in thermal conductivity of underlining materials (plastic sheet, steel sheet and aluminium plate) has little effect on the etching rate.

研究还发现，不同垫层（塑料片、钢片和铝板）导热性能对刻蚀速率影响很小。

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The Parsons show will feature a piece that now has special meaning to her: Two years ago, one of her friends made an edition of 10 prints from a copper-plate etching she had made.

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Most photomasks are created by etching away a thin film of light-blocking chrome from the surface of a quartz plate.

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